Hedenbergite
Redhammer G J, Amthauer G, Roth G, Tippelt G, Lottermoser W
American Mineralogist 91 (2006) 1271-1292
Single crystal X-ray diffraction and temperature dependent 57Fe Mossbauer
spectroscopy on the hedenbergite - aegirine (Ca,Na)(Fe2+,Fe3+)Si2O6 solid solution
Locality: synthetic
Sample: Ae451, T = 298 K
_database_code_amcsd 0004202
9.7428 8.9091 5.2750 90 106.126 90 C2/c
atom      x     y     z occ  Uiso
Ca2       0 .3013   .25 .55 .0106
Na2       0 .3013   .25 .45 .0106
Fe2+1     0 .9028   .25 .55 .0064
Fe3+1     0 .9028   .25 .45 .0064
Si    .2887 .0915 .2335     .0040
O1    .1162 .0832 .1437     .0103
O2    .3594 .2513 .3112     .0102
O3    .3508 .0133 .0031     .0081